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    • 31205
    • 12 Posts
    Hello!
    After moving my site to remote a server, I tested it and found that sometimes pages are shown as they should be, but sometimes upon request of the same page the server returns:
    ----------------------------------------------
    Error 500: Script Execution Failure
    Description: The server encountered an internal error or misconfiguration and was unable to complete your request.

    Most common reasons for returning this error message are:


    • File Upload Mode
    When you upload Perl, CGI scripts via FTP you should use always ASCII mode. If you get "Error 500: Script Execution Failure" you should check whether your FTP client uses ASCII mode when uploading your scripts, because if it uses BINARY mode to upload your scripts they won’t work on the server. The problem caused by wrong upload mode is associated with the way different operating systems handle the "end of line" character. Unix system uses a "line-feed" (LF), Windows uses a "carriage-return" (CR) and "line-feed" (LF) pair. That’s why it is very important that you set the uploading mode to ASCII.

    • File Permissions
    When you upload scripts via FTP the file permissions are set by default to 755. If you get "Error 500: Script Execution Failure" you should check whether your scripts have 755 permissions. Otherwise your scripts have lower level of permissions and does not support execution upon request. The octal representation of the 755 permission is equal to the following textual format: -rwxr-xr-x
    Most FTP clients support the CHMOD command which is used for setting file permissions. In case you have set improper permissions to your scripts, use your FTP client and set "Read, Write, Execute" permissions for the owner, "Read, Execute" permissions for the group and everyone else.

    • Script Errors
    This is the third well known reason for getting "Error 500: Script Execution Failure" upon execution of your scripts. Check your scripts for any obvious syntax or programming errors to make sure your code is not broken.


    Remember: When you get a "Error 500: Script Execution Failure", you should always check for any file uploading problems (ASCII/BINARY) and the executable permission settings. Once those are checked and verified, it looks like there is a syntax error or some other problem in the script.
    --------------------------------------------------------------------------

    Does anybody can help me with this issue?

    Thank you in advance,
    Vadim
      • 3763
      • 155 Posts
      I have a dev server for a project where I am working on, and all files need 755 permissions or a 500 error is returned. Like in the message you have posted, double check all files for proper 755 permissions, usually you can recursively change them via your FTP client. Only a few files and folder of MODx need 777 permission.

      Also the problem can be in your htaccess file, sometimes the configuration of the server does not allow certain commands to be added to the htaccess file. I think now you can remove this and check if you still have that error:
      php_flag zlib.output_compression On
      php_value zlib.output_compression_level 5


      Boby
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